<|begin_of_text|><|start_header_id|>system<|end_header_id|>Assess the overall contributions of activity level to emissions change.<|eot_id|><|start_header_id|>user<|end_header_id|>Sector: Residential; Activity level change: -15%.<|eot_id|><|start_header_id|>assistant<|end_header_id|>The activity level change contributed 15% reduction in emissions in the Residential sector.<|eot_id|>